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https://issues.apache.org/jira/browse/HIVE-21713?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16873410#comment-16873410
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Manoj Narayanan commented on HIVE-21713:
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In the above comment I tried to document each Operator and Task I could find
and what their 'ExplainString' is. Also tried to note whether it should be
changed (Column Needschange) and if so whether it should 'Add Operator' or
'Change to Operator' or 'Add Task' or 'Change to Task'.
> Explain consistency Task/Operator
> ---------------------------------
>
> Key: HIVE-21713
> URL: https://issues.apache.org/jira/browse/HIVE-21713
> Project: Hive
> Issue Type: Improvement
> Reporter: Zoltan Haindrich
> Priority: Major
>
> there seems to be some inconsistency what gets printed in the explain;
> for example "MoveTask" is shown as "Move Operator" in the explain
> Becase Tasks and Operators are basically different things - this should be
> corrected as it may cause confusion
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